C08G 65/4031
Or containing nitrogen
Official title: {(I) or (II) containing nitrogen}
C08G65/4031 (Or containing nitrogen) appears on 80 US grants and 77 published applications in this corpus.
Search patents in C08G- Granted patents
- 80
- Published applications
- 77
- Assignees
- 60
- Inventors
- 285
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 4 |
| 2010 | 8 | 6 |
| 2011 | 0 | 4 |
| 2012 | 4 | 2 |
| 2013 | 5 | 3 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 2 | 3 |
| 2019 | 2 | 5 |
| 2020 | 5 | 5 |
| 2021 | 2 | 3 |
| 2022 | 3 | 9 |
| 2023 | 3 | 2 |
| 2024 | 4 | 5 |
| 2025 | 2 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aromatic polyether, aromatic polyether composition, sheet and method for producing aromatic polyether24 Feb 2026US 12,559,610 B2Idemitsu Kosan Co., Ltd.
- Poly(aryl ether ketone) compositions containing carbon-based nanomaterials16 Sep 2025US 12,415,890 B2The Texas A&M University System
- Polymeric anion-conducting membrane27 May 2025US 12,312,443 B2Evonik Operations GmbH
- High temperature semicrystalline poly(aryl ether ketone) copolymers31 Dec 2024US 12,180,336 B2Ht Materials Corporation
- Polymeric anion-conducting membrane15 Oct 2024US 12,116,444 B2Evonik Operations GmbH
- Polymer, composition, cured product, laminated body, and electronic component26 Mar 2026US 2026/0085154 A1Jsr Corporation
- Cationic poloxamers and their use in transduction5 Mar 2026US 2026/0062715 A1Oz Biosciences
- Poly(aryl ether ketone) compositions containing carbon-based nanomaterials8 Jan 2026US 2026/0008888 A1The Texas A&M University System
- Method for producing polyether nitrile molding material and method for producing polyether nitrile resin composition molding material10 Jul 2025US 2025/0223402 A1Daikin Industries, Ltd.
- Polyether nitrile molding material, method for producing the same, and method for producing polyether nitrile resin composition molding material26 Jun 2025US 2025/0206880 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Slurry preparation of bis (halophthalimides) and of polyether polymers40US 6,235,866 B1General Electric Company · 2001
- Substantially linear monomeric composition and liquid crystal polymeric compositions derived therefrom21US 4,841,009 AAmoco Corporation · 1989
- Aromatic polyethers containing cyano groups for gas separation19US 5,080,698 AE. I. Du Pont de Nemours and Company · 1992
- Compounds having oxadiazole and triazene moieties, crosslinkable polymers therefrom, and methods therefor18US 5,235,044 ARaychem Corporation · 1993
- Polyetheric copolymers, process for preparing the same compositions containing the same, their molded products, and their use17US 5,115,077 AIdemitsu Kosan Co., Ltd. · 1992